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Cheap flights from Glasgow Intl Airport to San Francisco from £251

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SFO
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from Glasgow Intl to San Francisco are usually found in February or March, booked 28 days in advance, depart on a Monday or Wednesday and return on a Thursday

Cheap flight deals from Glasgow Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 April 2025.

Round-trip from

£486

One-way from

£251

Popular in

August

Cheapest in

February

Average price

£586
British Airways
  • British Airways
  • 20/9-28/9
  • 2 total stops
  • 28h 15m total
  • Glasgow to San Francisco
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15/5
  • 15/5
  • 2 total stops
  • 56h 22m total
  • Glasgow to San Francisco
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Glasgow Intl to San Francisco

Cheapest flights from Glasgow Intl to San Francisco
Explore the most affordable flight options available from Glasgow Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Sat 20/906:55GLA - SFO
1 stop14h 55mBritish Airways
Sun 28/919:20SFO - GLA
1 stop13h 20mBritish Airways
Deal found 29/4£486
Sat 20/907:55GLA - SFO
2 stops18h 45mFinnair
Sun 28/913:20SFO - GLA
2 stops17h 20mFinnair
Deal found 29/4£502
Wed 18/606:00GLA - SFO
1 stop13h 45mVirgin Atlantic
Wed 2/705:50SFO - GLA
2 stops18h 35mVirgin Atlantic
Deal found 29/4£569
Tue 24/606:00GLA - SFO
2 stops17h 53mDelta
Sat 12/712:16SFO - GLA
2 stops19h 54mDelta
Deal found 29/4£578
Thu 12/613:45GLA - SFO
2 stops34h 25mMultiple Airlines
Thu 19/611:40SFO - GLA
2 stops19h 35mMultiple Airlines
Deal found 29/4£661
Thu 8/507:00GLA - SFO
2 stops19h 58mAmerican Airlines
Thu 22/517:49SFO - GLA
2 stops17h 51mAmerican Airlines
Deal found 29/4£761
Sat 3/506:55GLA - SFO
1 stop18h 20mIberia
Sat 17/519:30SFO - GLA
1 stop18h 15mIberia
Deal found 29/4£839
Tue 13/514:25GLA - SFO
2 stops27h 35mIcelandair
Sat 17/520:44SFO - GLA
2 stops32h 41mIcelandair
Deal found 28/4£2,557

Cheapflights Fare Finder

Customise your flight search to find flights from Glasgow Intl to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 April 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to San Francisco that are best for you.

Fly from

Glasgow Intl

Fly to

San Francisco

Route

Depart

Return

Price

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Sat 20/9

06:55-13:50

1 stop14h 55m

San Francisco

Sun 28/9

19:20-16:40

1 stop13h 20m

£486

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Sat 20/9

05:50-13:50

1 stop16h 00m

San Francisco

Sun 28/9

15:00-18:45

2 stops19h 45m

£497

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Wed 18/6

06:00-11:45

1 stop13h 45m

San Francisco

Wed 2/7

05:50-08:25

2 stops18h 35m

£569

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Tue 24/6

06:00-15:53

2 stops17h 53m

San Francisco

Sun 13/7

06:05-08:25

2 stops18h 20m

£578

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Thu 12/6

13:45-16:10

2 stops34h 25m

San Francisco

Thu 19/6

11:40-15:15

2 stops19h 35m

£661

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Tue 13/5

10:55-17:15

1 stop14h 20m

San Francisco

Sat 17/5

19:30-16:55

1 stop13h 25m

£2,107

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Tue 13/5

14:25-10:00

2 stops27h 35m

San Francisco

Sat 17/5

20:44-13:25

2 stops32h 41m

£2,557

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Thu 15/5

20:05-20:27

2 stops56h 22m

£251

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Sun 6/7

20:25-13:50

1 stop25h 25m

£676

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Tue 22/7

08:35-15:55

1 stop15h 20m

£848

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Best time to book a flight from Glasgow Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Glasgow Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Glasgow Intl Airport to San Francisco

How far ahead should I book a flight from Glasgow Intl Airport to San Francisco?

Use this chart to determine the optimal time to book a return flight from Glasgow Intl to San Francisco. Price data was last updated on 25 April 2025.

The price you pay for your flight from Glasgow Intl Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Glasgow Intl Airport to San Francisco?

Currently, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to San Francisco (average of £538). Flying from Glasgow Intl Airport to San Francisco in July is currently the most expensive (average of £803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GLA to SFO?

Find hourly flight availability from Glasgow Intl to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 17% on flights from Glasgow Intl Airport to San Francisco by exploring options for tickets in the afternoon.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 30 April 2025.
Delta
8.0
Very Good
7,934 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,934 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Icelandair
7.0
Good
487 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.0
Good
1,076 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Glasgow Intl to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Francisco from Glasgow Intl?

    San Francisco (SFO) is the airport you will fly into if you book a flight from Glasgow Intl to San Francisco. You should not have trouble finding flights to San Francisco from Glasgow Intl; the airport handles an average of 0 inbound flights from Glasgow Intl per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the San Francisco airport from Glasgow Intl. It is only a 11.8 mi journey from San Francisco (SFO) to San Francisco’s city center.

  • What are the cheapest airlines flying from Glasgow Intl Airport to San Francisco round-trip?

    According to our current data, British Airways (£486), Finnair (£497), and Virgin Atlantic (£569) offers the cheapest pricing from Glasgow Intl Airport to San Francisco. British Airways is priced at 13% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Glasgow Intl Airport to San Francisco one-way?

    One-way options have recently been found by users for as low as £566 on Aer Lingus. Other airlines that offer cheap prices include Iberia from £581 and British Airways from £673 one-way.

  • Can I find deals for flights from Glasgow Intl to San Francisco that include hotel bookings?

    Yes. In addition to deals on Glasgow Intl to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Glasgow Intl to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow Intl to San Francisco.

  • Can I find deals for business class flights from Glasgow Intl to San Francisco?

    Yes. Cheapflights offers flight deals from Glasgow Intl to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Glasgow Intl Airport to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to San Francisco (average of £538). Flying from Glasgow Intl Airport to San Francisco in July is currently the most expensive (average of £803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Santa Cruz
Los Banos
Vallejo
Newark
South San Francisco
Pacific Grove
Union City

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Glasgow Intl to San Francisco

Discover the top 7 airlines that operate flights from Glasgow Intl to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£391Average£587FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£424Average£496FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£430Average£566FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£436Average£526FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£441Average£510FlexibilityNo cancel feeOn-time77%
Search Air France flights
IberiaCheapest£458Average£586FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Aer LingusCheapest£572Average£745FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Glasgow Intl to San Francisco?

Cheapflights makes it easy to find Glasgow Intl to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Glasgow Intl to San Francisco?

Millions of users choose and trust Cheapflights to book the best flight deals from Glasgow Intl to San Francisco for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Glasgow Intl to San Francisco with no change fees?

Yes, we can. To see specific flights from Glasgow Intl to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Glasgow Intl to San Francisco become cheaper?

Yes! Start tracking prices for Glasgow Intl to San Francisco flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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